Acknowledgement
The authors express their sincerest gratitude to the Fundamental Fund of Khon Kaen University, which has received funding support from the National Science, Research and Innovation Fund (NSRF) for providing financial support. The research Program on the Research and Development of Winged Bean Root Utilization as Ruminant Feed, and Graduate Studies, Khon Kaen University are also partially supported. Narirat Unnawong received a grant from the National Research Council of Thailand (NRCT) through the Royal Golden Jubilee Ph.D. Program (Grant no N41A650074).
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